package com.itheima;

public class Test {
    public static void main(String[] args) {
        Pingpongsport p1 = new Pingpongsport("张三", 20);
        p1.study();
        p1.speak();
        Basketballsport b1 = new Basketballsport("李四", 30);
        b1.study();
        // 多态
    }
}
